Finding the Fourth Proportional to 206.44, 286.01 and 201.43
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Solution
The fourth proportional to 206.44, 286.01 and 201.43 is: 279.07
Step by Step Solution
- Step 1: Write the proportion equation
206.44 : 286.01 = 201.43 : x - Step 2: Convert to fraction form
206.44/286.01 = 201.43/x - Step 3: Cross multiply
206.44x = 286.01 × 201.43 - Step 4: Simplify right side
206.44x = 57,610.99 - Step 5: Solve for x
x = 57,610.99/206.44 - Step 6: Final answer
x = 279.07
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.